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公开(公告)号:US2969119A
公开(公告)日:1961-01-24
申请号:US45775054
申请日:1954-09-22
Applicant: BARRY LEONARD D
Inventor: BARRY LEONARD D
IPC: A01B63/32
CPC classification number: A01B63/32
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公开(公告)号:US2638044A
公开(公告)日:1953-05-12
申请号:US6673948
申请日:1948-12-22
Applicant: INT HARVESTER CO
Inventor: TOIAND WAYNE G
CPC classification number: A01B63/32 , A01B63/22 , Y10T403/32532
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公开(公告)号:US2575507A
公开(公告)日:1951-11-20
申请号:US9308749
申请日:1949-05-13
Applicant: ACTON RUSSEL D
Inventor: ACTON RUSSEL D
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公开(公告)号:US2306744A
公开(公告)日:1942-12-29
申请号:US34656540
申请日:1940-07-20
Applicant: INT HARVESTER CO
Inventor: JAMES MORKOSKI
IPC: A01B63/32
CPC classification number: A01B63/32
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公开(公告)号:US2290245A
公开(公告)日:1942-07-21
申请号:US34514640
申请日:1940-07-12
Applicant: INT HARVESTER CO
Inventor: MOTT CARL W
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公开(公告)号:US1424128A
公开(公告)日:1922-07-25
申请号:US36134720
申请日:1920-02-25
Applicant: SHERWIN GIBBONS , ERNEST STEWART , FREDERICK C BEUTEL
Inventor: ZIEGLER GEORGE J
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公开(公告)号:US1188412A
公开(公告)日:1916-06-27
申请号:US5568715
申请日:1915-10-13
Applicant: CAMP WILLIAM J
Inventor: CAMP WILLIAM J
CPC classification number: A01B63/32
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公开(公告)号:US1132842A
公开(公告)日:1915-03-23
申请号:US1912701263
申请日:1912-06-03
Applicant: GRAHAM JESSE L
Inventor: GRAHAM JESSE L
CPC classification number: A01B63/32
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公开(公告)号:US1112148A
公开(公告)日:1914-09-29
申请号:US1906341267
申请日:1906-10-30
Applicant: DEERE & CO
Inventor: POOLE STALEY D
CPC classification number: A01B63/32
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公开(公告)号:US1039314A
公开(公告)日:1912-09-24
申请号:US1911630712
申请日:1911-06-01
Applicant: MORFORD WILLIAM L
Inventor: MORFORD WILLIAM L
CPC classification number: A01B63/32
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